Schedule II - Valuation and Qualifying Accounts (Detail) - Allowance for Doubtful Accounts, Current [Member] - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 610	$ 728	$ 629
Additions Charged (credited) to expenses	(5)	(54)	173
Deductions	200	(64)	(74)
Balance at End of Period	$ 405	$ 610	$ 728